From 74db920c32cea5b52a91b81f2bfd467fc070e942 Mon Sep 17 00:00:00 2001 From: Gautham R Shenoy Date: Thu, 29 Apr 2010 17:44:43 +0530 Subject: virtio-9p: Create a commandline option -fsdev This patch creates a new command line option named -fsdev to hold any file system specific information. The option will currently hold the following attributes: -fsdev fstype id=id,path=path_to_share where fstype: Type of the file system. id: Identifier used to refer to this fsdev path: The path on the host that is identified by this fsdev. [aneesh.kumar@linux.vnet.ibm.com: Abstraction using FsContext] Signed-off-by: Gautham R Shenoy Signed-off-by: Aneesh Kumar K.V Signed-off-by: Anthony Liguori --- fsdev/qemu-fsdev.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 fsdev/qemu-fsdev.c (limited to 'fsdev/qemu-fsdev.c') diff --git a/fsdev/qemu-fsdev.c b/fsdev/qemu-fsdev.c new file mode 100644 index 0000000000..48bbfd95e7 --- /dev/null +++ b/fsdev/qemu-fsdev.c @@ -0,0 +1,70 @@ +/* + * Virtio 9p + * + * Copyright IBM, Corp. 2010 + * + * Authors: + * Gautham R Shenoy + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ +#include +#include +#include "qemu-fsdev.h" +#include "qemu-queue.h" +#include "osdep.h" +#include "qemu-common.h" + +static QTAILQ_HEAD(FsTypeEntry_head, FsTypeListEntry) fstype_entries = + QTAILQ_HEAD_INITIALIZER(fstype_entries); + +static FsTypeTable FsTypes[] = { + { .name = "local", .ops = NULL}, +}; + +int qemu_fsdev_add(QemuOpts *opts) +{ + struct FsTypeListEntry *fsle; + int i; + + if (qemu_opts_id(opts) == NULL) { + fprintf(stderr, "fsdev: No id specified\n"); + return -1; + } + + for (i = 0; i < ARRAY_SIZE(FsTypes); i++) { + if (strcmp(FsTypes[i].name, qemu_opt_get(opts, "fstype")) == 0) { + break; + } + } + + if (i == ARRAY_SIZE(FsTypes)) { + fprintf(stderr, "fsdev: fstype %s not found\n", + qemu_opt_get(opts, "fstype")); + return -1; + } + + fsle = qemu_malloc(sizeof(*fsle)); + + fsle->fse.fsdev_id = qemu_strdup(qemu_opts_id(opts)); + fsle->fse.path = qemu_strdup(qemu_opt_get(opts, "path")); + fsle->fse.ops = FsTypes[i].ops; + + QTAILQ_INSERT_TAIL(&fstype_entries, fsle, next); + return 0; + +} + +FsTypeEntry *get_fsdev_fsentry(char *id) +{ + struct FsTypeListEntry *fsle; + + QTAILQ_FOREACH(fsle, &fstype_entries, next) { + if (strcmp(fsle->fse.fsdev_id, id) == 0) { + return &fsle->fse; + } + } + return NULL; +} -- cgit v1.2.3